/**
 *   Licensed to the Apache Software Foundation (ASF) under one
 *   or more contributor license agreements.  See the NOTICE file
 *   distributed with this work for additional information
 *   regarding copyright ownership.  The ASF licenses this file
 *   to you under the Apache License, Version 2.0 (the
 *   "License"); you may not use this file except in compliance
 *   with the License.  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
package com.qlangtech.tis.plugin.ds;


import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * @author: baisui 百岁
 * @create: 2020-11-24 16:24
 */
public interface IDataSourceDumper {
    void closeResource();

    int getRowSize();

    List<ColumnMetaData> getMetaData();

    /**
     * start to dump data to target fileSystem
     */
    Iterator<Map<String, Object>> startDump();

    String getDbHost();
}
